1. Model Code Explanation

2. Main Electrical Parameters

• Rated Output Power: 75 kW

• Input Voltage: 3-phase AC 380~480 V

• Rated Input Frequency: 50 Hz / 60 Hz

• Rated Continuous Output Current: 150 A

• Output Voltage Range: 0~480 V three-phase AC

• Output Frequency Range: 0~400 Hz

• Control Mode: V/F open-loop / Sensorless vector control

• Overload Capacity: 150% rated current for 60 seconds, 125% long-term stable operation

• Adjustable Switching Frequency: 2 kHz ~ 16 kHz

• Full Load Power Factor: ≥0.95

• Working Efficiency: ≥97%

• Built-in Standard STO Safety Torque Off Function

3. Environmental and Physical Parameters

• Protection Grade: IP20

• Cooling Mode: High-power built-in fan forced air cooling

• Working Ambient Temperature: 0°C ~ +45°C (full power output)

• Storage Temperature: -25°C ~ +70°C

• Working Humidity: 5%~95%, non-condensing

• Installation Method: Vertical wall-mounted installation

• Max Applicable Altitude: ≤1000m without power derating

• Anti-vibration Grade: Suitable for heavy industrial vibration environment

4. Standard External Control Interfaces

• Onboard RS485 communication interface, support Modbus RTU protocol

• Analog signal input: 0-10V DC / 0-20mA dual mode speed regulation

• 6 groups of programmable 24V DC digital input terminals

• 2 groups of programmable relay signal output terminals

• Special PTC motor over-temperature protection access port

• External braking resistor matching interface

• Multi-segment fixed speed control terminals

• Optional expansion communication module: Profinet, Profibus, Ethernet etc.

5. Core Operating Functions

• Acceleration and deceleration time adjustable freely from 0.1s to 600s

• Integrated dynamic braking and DC injection braking function for rapid stop

• Intelligent energy-saving running mode, automatically optimize light-load operation efficiency

• Three control modes: local panel control, external terminal control, remote communication control

• High-precision slip compensation function to stabilize running speed under heavy load

• Soft start and soft stop design, effectively reduce starting impact current and mechanical shock

• Built-in closed-loop PID constant pressure and constant speed automatic control

• Support one-click parameter copy, save and batch restore functions

• Strong low-speed high-torque output performance

6. Complete Safety Protection Functions

• Instantaneous overcurrent protection and thermal overload protection

• System overvoltage and undervoltage fault protection

• Three-phase input phase loss detection and protection

• Inverter power module overheating protection

• Electronic thermal motor overload protection

• Output terminal short-circuit fault protection

• Motor side ground fault protection

• Running stall anti-blocking protection

• Control terminal ESD anti-static protection

• Hardware-level STO safety torque cut-off protection

7. Installation and Wiring Requirements

1. Cut off all power supply before wiring, debugging and maintenance

2. Main power circuit wires and control signal wires must be laid separately to avoid electromagnetic interference

3. Firmly connect the equipment PE grounding terminal to the factory unified grounding system

4. Reserve sufficient upper, lower and side ventilation heat dissipation space

5. Prohibit installation in dusty, humid, oil mist and strong corrosive gas sites

6. It is recommended to use shielded special frequency conversion motor cables for output wiring

7. Match suitable external braking resistors according to actual load working conditions

8. Standard Commissioning Steps

1. Check all wiring carefully to eliminate wrong connection and short circuit hidden dangers

2. Confirm that the on-site input power voltage matches the inverter rated voltage level

3. Accurately set motor nameplate parameters: rated voltage, rated current, rated frequency, rated speed

4. Select the corresponding operation control mode according to actual production needs

5. Set reasonable acceleration/deceleration time and upper/lower limit frequency

6. Conduct no-load trial operation first, confirm motor rotation direction and running sound

7. After stable no-load operation, gradually load and put into formal operation

9. Daily Maintenance Regulations

• Clean internal dust and cooling fan dirt regularly every 3-6 months

• Regularly check the fastening degree of all power terminals and control terminals

• Monitor real-time running current and internal operating temperature during operation

• Replace aging and abnormal noise cooling fans in time

• All equipment failure inspection and maintenance must be operated by professional certified electricians

10. Applicable Industry Scope

11. Industry Compliance Certification